add predict route

backend/IT18218640/server.py

@@ -3,4 +3,32 @@ import random
 from flask import Flask, request, jsonify
 from keyword_spotting_service import Keyword_Spotting_service
 
-app = Flask(__name__)
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+app = Flask(__name__)
+
+@app.route("/predict", methods=["POST"])
+def predict():
+    # get audio file and save it
+    audio_file = request.files["file"]
+    file_name = str(random.randint(0, 100000))
+    audio_file.save((file_name))
+
+    # get file name
+    predict_file_name = audio_file.filename
+    predict_file_name = predict_file_name.split("/")
+    new_predict_file_name = predict_file_name[1]
+    new_predict_file_name = new_predict_file_name.split(".")
+    FPFN = new_predict_file_name[0]
+    print(f"{FPFN}")
+
+    # invoke keyword spotting service
+    kss = Keyword_Spotting_service()
+
+    # make a prediction
+    predicted_keyword = kss.predict(file_name, FPFN)
+
+    # remove the audio file
+    os.remove(file_name)
+
+    # send back the predicted keword in json format
+    data = {"Keyword": predicted_keyword}
+    return jsonify(data)
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